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The "ReactiveVar" Lesson is part of the full, Meteor course featured in this preview video. Here's what you'd learn in this lesson:

Chris installs the reactive-var package which will allow for the creation of individual reactive variables as opposed to a Session which is a dictionary of variables. Like a Session, a ReactiveVar has a getter and a setter. Chris compares these two constructs and also answers a few audience questions about helpers.

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